Home / 120,717.70-181,249.35-68,229.70

Finding the Fourth Proportional to 120,717.70, 181,249.35 and 68,229.70

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Solution

The fourth proportional to 120,717.70, 181,249.35 and 68,229.70 is: 102,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.70 : 181,249.35 = 68,229.70 : x
  2. Step 2: Convert to fraction form
    120,717.70/181,249.35 = 68,229.70/x
  3. Step 3: Cross multiply
    120,717.70x = 181,249.35 × 68,229.70
  4. Step 4: Simplify right side
    120,717.70x = 12,366,588,775.70
  5. Step 5: Solve for x
    x = 12,366,588,775.70/120,717.70
  6. Step 6: Final answer
    x = 102,442.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.